handle moves of VMs not in inventory

server/handler/vmMoveEvent.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -66,8 +67,39 @@ func (h *Handler) VmMoveEvent(w http.ResponseWriter, r *http.Request) {
 	invResult, err := h.Database.Queries().GetInventoryVmId(ctx, invParams)
 
 	if err != nil {
+		// If a VM is being moved it must exist, so lets add an inventory record for this VM
 		h.Logger.Error("unable to find existing inventory record for this VM", "error", err)
-		// TODO - how to handle?
+		if errors.Is(err, sql.ErrNoRows) {
+			// Add a record to the inventory table for this VM
+			h.Logger.Info("Received VM modify event for a VM not currently in the inventory. Adding to inventory")
+
+			iid, err2 := h.AddVmToInventory(event, ctx, unixTimestamp)
+			if err2 != nil {
+				h.Logger.Error("Received error adding VM to inventory", "error", err2)
+				w.Header().Set("Content-Type", "application/json")
+				w.WriteHeader(http.StatusInternalServerError)
+				json.NewEncoder(w).Encode(map[string]string{
+					"status": "ERROR",
+					"message": fmt.Sprintf("Valid request but experienced error adding vm id '%s' in datacenter name '%s' to inventory table : %s",
+						event.CloudEvent.Data.VM.VM.Value, event.CloudEvent.Data.Datacenter.Name, err2),
+				})
+				return
+			}
+
+			if iid > 0 {
+				params.InventoryId = sql.NullInt64{Int64: iid, Valid: iid > 0}
+			} else {
+				h.Logger.Error("Received zero for inventory id when adding VM to inventory")
+				w.Header().Set("Content-Type", "application/json")
+				w.WriteHeader(http.StatusInternalServerError)
+				json.NewEncoder(w).Encode(map[string]string{
+					"status": "ERROR",
+					"message": fmt.Sprintf("Valid request but received zero result when adding vm id '%s' in datacenter name '%s' to inventory table",
+						event.CloudEvent.Data.VM.VM.Value, event.CloudEvent.Data.Datacenter.Name),
+				})
+				return
+			}
+		}
 	} else {
 		params.InventoryId = sql.NullInt64{Int64: invResult.Iid, Valid: invResult.Iid > 0}
 	}